+ Basic sandbox save / load system, so it doesn't lose weapons, model, health etc... Duplicator will save most value.
+ Improved NPC_MeleeAttack hit detection system.
+ Implemented better NearestPoint2 check.
+ NPCs that are in CLASS_PLAYER_ALLY_VITAL or self.bHealthRegenerationEnabled will regen health at the same rate as HL2 NPCs do.
+ Fixed weapon shot regulator being unable to retrieve intervals for SWEPs.

+ Added Lava Slith. + Enhancements on base AI.

+ Fixed unconnected vertices on remaining models.

+ Base NPC improvements.
+ Added missing whip1m.wav.
+ Added Skaarj Ice Lord (480hp)
+ Fixed non-merged vertices on Skaarj and Male1.

+ Base NPC improvements.

+ Base NPC improvements. (NPCs drop multiple weapons if they have got more than one in m_hMyWeapons inventory, fixed NPCs not playing run and attack animations, GetButtons support based on current velocity or path direction)

+ +Use'd NPCs join player squad.
+ Base NPC improvements.
+ Unarmed NPCs that can hold weapons will be able to search and pick weapons.
+ cycler_actor2 base npcs can guide weapon_rpg now.

+ Updated projectile guidance code.
+ Added hostile versions of human units.
+ Eightball rockets can seek locked-on targets.
+ Fixed snpcs receiving damage from friendly units.
+ cycler_actor2 base npc now globally supports NPC model and Playermodel animations.

+ Fixed lua error about prop_combine_ball contact.

+ Added almost all meshes with their animations from Unreal Gold.
+ Added Human characters.
+ Fixed Minigun NPC behavior.
+ Fixed gibs floating in air.
+ Updated collision code of projectiles.
+ Added ammo, powerup and health pickups from unreal gold. Details about how powerups work are in description.
- Removed .sw.vtx files as part of this recent gmod update.